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Fig. 2 | One Health Outlook

Fig. 2

From: Evaluation of WGS-subtyping methods for epidemiological surveillance of foodborne salmonellosis

Fig. 2

Maximum likelihood phylogenetic tree of Salmonella Dublin strains based on single nucleotide polymorphisms determined from whole genome sequences. The scale represents the number of nucleotide substitutions per site. Bootstrap support values, given as a percentage of 1000 replicates, are shown on the branches. All Salmonella Dublin isolates had indistinguishable pulsed-field gel electrophoresis profiles. Confirmed outbreak cases (n = 9) in October–November 2013 are grouped together in one cluster. However, the source of the outbreak could not be determined as outbreak isolates showed high genetic divergence to bacterial strains isolated from the raw-milk cheeses (marked with arrows) including isolate 2014SAL02972 from Morbier cheese (accession number; ERS2767809) and isolate 2015LSAL00258 from St. Nectaire cheese (accession number: ERS2767808)

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